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Alexander Fleming and the discovery of penicillin The discovery of penicillin was a major medical breakthrough. Penicillin was the first effective antibiotic that could be used to kill bacteria.
May 9, 2024 · penicillin, one of the first and still one of the most widely used antibiotic agents, derived from the Penicillium mold. In 1928 Scottish bacteriologist Alexander Fleming first observed that colonies of the bacterium Staphylococcus aureus failed to grow in those areas of a culture that had been accidentally contaminated by the green mold Penicillium notatum.
One day in 1928, Fleming came back from his holidays. He found some cultures of the Staphylococcus aureus bacteria which he'd meant to throw away had died. But instead of throwing them away, he stopped to think what might have caused some of his sample to die and the rest to live. After a lot of time and effort in his lab, Fleming worked out ...
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Sep 3, 2018 · In 1999 Time Magazine named Alexander Fleming one of the 100 most important people of the 20th century: “It was a discovery that would change the course of history. The active ingredient in that mould, which Fleming named penicillin, turned out to be an infection-fighting agent of enormous potency.
Alexander Fleming, Howard Florey and Ernst Chain shared the 1945 Nobel Prize in Physiology or Medicine for the discovery and development of penicillin. After the end of the war in 1945, penicillin became widely available. Dorothy Hodgkin determined its chemical structure, for which she received the Nobel Prize in Chemistry in 1964.
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming as a crude extract of P. rubens. Fleming's student Cecil George Paine was the first to successfully use penicillin to treat eye infection ( neonatal conjunctivitis ) in 1930.
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